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The cryptographic security vulnerability of the Indian certificate authority eMudhra affects the Ethereum clients Teku and Besu. Researchers found that the private keys of 8 intermediate certificate authorities under eMudhra could potentially be deduced due to insufficient randomness, allowing attackers to forge certificates and trick unpatched software into trusting malicious services.Teku has released version 26.1.3, and Besu has released version 26.1.2, both of which have removed trust in the relevant certificates from their Docker images. If an attacker performs a man-in-the-middle attack, they could trick some validators into sending block fee rewards to the attacker's address; the risk may be higher under specific configurations using external signers. The Teku team stated that the default configuration of the Ethereum mainnet Teku node is not affected, and no action is required, with no reports of the vulnerability being exploited so far.For operators running Teku or Besu directly on the host without using Docker, simply updating the client may not be sufficient; they also need to manually update Java and its trusted certificate list. Operators still using the no longer maintained Java 26 will need to migrate to Java 25.

According to The Block citing local media reports, South Korea's ruling party, the Democratic Party of Korea, will meet on Friday with representatives from the country's five major cryptocurrency exchanges: Upbit, Bithumb, Coinone, Korbit, and Gopax, to discuss whether to postpone the cryptocurrency tax originally scheduled to take effect in January 2027.The party has proposed a bill to delay the implementation until 2029, citing insufficient infrastructure and difficulties in obtaining transaction data.

EIP-8450 proposal update, intended to introduce a quantum-resistant public key registration mechanism for Ethereum validators, using a hash-based cryptographic scheme, including leanXMSS keys and VRF tree roots.The update clarifies that the registration and replacement of quantum-resistant keys are authorized by BLS signature keys, and sets a replacement delay of at least one Epoch and a replay protection mechanism; this proposal is currently still in the Draft stage and has not yet been deployed.

According to Rootdata, yesterday (Eastern Time October 28), the total net outflow of Ethereum spot ETFs was $21.4 million.The Ethereum spot ETF with the highest net outflow for the day was BlackRock ETF ETHA, with a net outflow of $44.8 million. As of that trading day, ETHA had a historical cumulative net inflow of $12.036 billion.The Ethereum spot ETF with the highest net inflow for the day was Fidelity ETF FETH, with a net inflow of $18.8 million.

The non-profit Ethereum development lab Ethlabs announced that Ethereum co-founder Mihai Alisie has joined Ethlabs as an anchor funder, and Payward and Gattaca have joined as contributors.Its initial anchor funders include BitMine, Sharplink, and Ethereum co-founder Joseph Lubin.

According to monitoring by TrustSniffer, on October 28, the stablecoin issuer Tether centralized multiple addresses on the TRON network into a USDT blacklist. The monitoring page shows that at least 33 TRON addresses were marked as frozen on that day.The total USDT balance of the related addresses at the time of the freeze warning was approximately 27 million USD, with the largest single address being about 7.8 million USDT. Tether has not publicly explained the specific reasons for this centralized freeze.

Alex Witt, founding partner of the venture capital firm focused on stablecoin infrastructure, Verda Ventures, announced that he and partner Amit will join Tether, the world's largest stablecoin issuer. Tether was previously one of the limited partners of Verda Ventures.With the two joining Tether, Verda Ventures, which has been operating for three years, will enter the investment recovery phase and cease investing in new companies to avoid potential conflicts of interest. The fund will continue to manage and support its existing 28 portfolio companies and selectively participate in follow-on financing.

According to Lookonchain monitoring, the Ethereum OG wallet (0x6D3...79E2) deposited all 2,119 ETH, worth 4.99 million dollars, into Coinbase 7 hours ago after being inactive for 3 years.

Federal Reserve Chairman Waller avoided the question of whether the current interest rate level is appropriate. He stated that there is a general consensus that previous actions have shown results, but no clear conclusion has been reached regarding the need for further rate hikes in the future.

According to official news, Tether announced the establishment of the Swiss non-profit foundation FASE (Financial Access and Systemic Empowerment) on October 28, focusing on four main areas: financial security, financial inclusion, access to basic resources, and responsible AI and robotics.Founding members include Anchorage Digital, Bitfury, Bybit, Chainalysis, Fasanara Capital, Kraken, Opera, Pave Bank, Prosper Global (formerly Mercy Corps), and the Solana Foundation. The United Nations Office on Drugs and Crime (UNODC) will provide technical consulting.The first batch of projects includes: establishing a global youth alliance with Goodwall, aiming to provide anti-fraud education to up to 10 million young people, prioritizing coverage in Africa, Latin America, and Southeast Asia; launching a stablecoin humanitarian aid pilot with Prosper Global, initially covering up to 1 million people; and collaborating with the United Nations Trust Fund for Victims of Trafficking in Persons to support survivor assistance.

According to The Defiant, the floating borrowing rate curve for USDT in the Aave Ethereum market has been adjusted, and when liquidity in the pool tightens, borrowing costs will rise earlier.The interest on existing debt remains unchanged, and the new rate only affects the growth rate of the debt balance thereafter.

Ethena Pay has begun rolling out the Earn+ feature, which claims that the dollar balance can earn a target annual reward of up to 12%. Initially, it is open to Pro and VIP users, with plans to expand to all users in the coming days. This feature will transfer funds from the main payment balance to an external Upshift vault, where Steakhouse Financial will execute a leveraged USDe strategy on Aave, aiming for a yield higher than the app's existing maximum tiered reward of 6%.According to documents released by Ethena Pay, the vault targets approximately 11 times leverage on Aave v4 on Avalanche, packaging repeated borrowing and reinvestment into a one-click deposit. The specific path involves depositing USDe as collateral, borrowing USDT, and then using the borrowed tokens to purchase more USDe in a loop, with returns depending on whether the USDe rewards can cover the USDT borrowing costs. Ethena Pay states that it only provides the interface and does not guarantee the assets, and users must bear the risk of vault losses, which may result in losing part or all of their invested funds.Ethena Pay claims that the simplified interface does not eliminate liquidation risk; when collateral is insufficient to cover debts, positions will face liquidation, with liquidators repaying debts and taking collateral and rewards. The 12% is only a target and not a guaranteed return, rates may be adjusted downwards, and Earn+ balances do not enjoy the Daily Boost of the main account. This product has no lock-up period, no fees for deposits or withdrawals, and withdrawals are processed to the main dollar account within 24 hours but may be delayed, and are not considered insured bank deposits. The initial total capacity limit for the vault is $4.5 million, with individual limits of $50,000 and $200,000 for Pro and VIP users, respectively, and $20,000 for Standard users.

According to Rootdata, yesterday (Eastern Time October 27), the total net outflow of Ethereum spot ETFs was $60.20 million.The Ethereum spot ETF with the highest single-day net outflow that day was BlackRock ETF ETHA, with a net outflow of $93.30 million. As of that trading day, ETHA had a historical cumulative net inflow of $12.08 billion.The Ethereum spot ETF with the highest single-day net inflow that day was Fidelity ETF FETH, with a net inflow of $28.60 million.

According to unfolded.data, this Friday at 16:00 Beijing time, Deribit will have 135,000 BTC expiring, with a nominal value of 10.92 billion USD, and the maximum pain point price is 78,000 USD, with a put/call ratio of 0.53.On the Ethereum side, this Friday there will be ETH options expiring with a nominal value of 776 million USD, the maximum pain point price is 2,500 USD, and the put/call ratio is 0.77.

The Ethereum Foundation forwarded tweets related to the privacy tool Kohaku, expressing support for the development of privacy-protecting wallet tools. In response to the attacks and exploits that occurred over the past week, the Ethereum Foundation pointed out that privacy and security should not be viewed as mutually exclusive goals. Setting privacy protection as a default feature helps reduce the risk of attackers exploiting users' on-chain historical records to carry out attacks.According to developer Jordan Enev, the Kohaku team is working to make privacy protection a standard feature of Ethereum. Currently, its SDK has integrated privacy protocols such as Railgun, Privacy Pools, and Tornado Cash, with development progress becoming increasingly mature, and they are calling for more wallets to promote related integrations.

ENSv2 officially launched on the Ethereum mainnet, introducing a layered registry and a more refined permission model, supporting community and institutional custom subdomain issuance rules and partitioned authorization management. The new version also updates the domain resolution method and supports record link sharing, while launching the ENS App for ordinary users and the ENS Explorer for developers.ENS states that its ecosystem currently supports over 36 million domain names, covering more than 600 applications; existing .eth domain names do not need to be re-registered and can voluntarily upgrade to ENSv2 within the ENS App starting today.

According to CoinDesk, Ethereum developers have fixed a vulnerability in the Glamsterdam upgrade that could allow operators to withdraw ETH intended for new validators from the staking service. The fix changed the handling rules for validator deposits and was merged on Monday, after developers had rejected the modification a week earlier.Researcher avsetsin discovered that if an operator first registers as a builder with a specific public key, and the staking service subsequently deposits ETH using the same key to activate the validator, the draft rules would credit both deposits to the builder. Avsetsin stated that this is a conditional code discovery and not a confirmed real-time exploit; existing checks can prevent the attack, and there are currently no reports of losses. The new rules treat deposits as sorted by withdrawal receipts, ensuring that validator deposits still belong to the validators.Glamsterdam has been running on the Sepolia testnet, but the launch on the Hoodi testnet has been delayed, with a new date to be determined before the mainnet launch.

According to Rootdata, yesterday (Eastern Time October 26), the total net outflow of Ethereum spot ETFs was $88.6 million.The Ethereum spot ETF with the highest single-day net outflow that day was BlackRock ETF ETHA, with a net outflow of $105 million. As of that trading day, ETHA had a historical cumulative net inflow of $12.174 billion.The Ethereum spot ETF with the highest single-day net inflow that day was Fidelity ETF FETH, with a net inflow of $16.1 million.

According to RootData, yesterday the total net inflow for Bitcoin spot ETFs in the United States was $110.3 million, with BlackRock's IBIT net inflow being $110.3 million, while the other ETFs had no net inflow or outflow.During the same period, the total net outflow for Ethereum spot ETFs in the United States was $88.6 million, with BlackRock's ETHA net outflow being $104.7 million, Fidelity's FETH net inflow being $16.1 million, while the other ETFs had no net inflow or outflow.

According to BBX data, yesterday and in recent days, global publicly listed companies in the U.S. stock market disclosed the latest official accounts regarding digital asset treasury allocation, stock buybacks, and capital operations. The core updates are as follows:Strive (NASDAQ: $ASST) spent over $500 million to purchase 6,182 BTC, bringing total holdings to 43,000: According to SEC documents, Strive purchased 6,182 bitcoins from October 17 to 23 at an average price of approximately $82,732 (including fees and expenses). As of October 23, Strive's total bitcoin holdings officially reached 43,000 BTC. During the same period, the company's cash and cash equivalents surged to $504.4 million (an increase of $186.9 million compared to October 16); the balance sheet also holds 505,000 shares of Strategy STRC preferred stock (with a fair value of approximately $50.18 million). In terms of equity, the number of Class A common shares outstanding increased by approximately 3.266 million shares to about 118.1 million shares, while the outstanding shares of SATS and SATA preferred stock remained at 7 million shares and approximately 14.03 million shares, respectively.BitMine (NASDAQ: $BMNR) increased its holdings by 10,452 ETH last week, having spent nearly $400 million on stock buybacks this year: Nasdaq-listed mining company BitMine disclosed that it increased its holdings by 10,452 Ethereum in the secondary market last week. As of October 25, 2026, its total Ethereum holdings reached 6,051,933 ETH (approximately 4.95% of the total Ethereum supply). Currently, the total value of BitMine's crypto assets and investments is approximately $15 billion (including $514 million in cash and securities, 215 BTC, $180 million in Beast Industries equity, and $76 million in Eightco investments). Among these, 5,227,037 ETH have been staked (accounting for 86% of total holdings), valued at approximately $12.3 billion based on a price of $2,356 per ETH, with current annual staking yields of about $318 million. Additionally, the company repurchased 2.04 million shares of stock last week at an average price of $22.48; since 2026, it has repurchased a total of 22.9 million shares, amounting to approximately $399.6 million.